Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual chassi teve voltas de 7 e um participante da Ecurie Rosier?
 ###Tabelas: CREATE TABLE steam_locomotives (steam_locomotives_id AUTO_INCREMENT PRIMARY KEY, Name VARCHAR, Number VARCHAR, Builder VARCHAR, Date built VARCHAR, Wheel arrangement VARCHAR, Driving wheels VARCHAR, Cylinders VARCHAR, Boiler pressure VARCHAR, Notes VARCHAR) CREATE TABLE performance_of_indian_teams (performance_of_indian_teams_id AUTO_INCREMENT PRIMARY KEY, Club VARCHAR, Wins INT, Last Win VARCHAR, Runners-up INT, Last Runners-up INT) CREATE TABLE teams_and_drivers (teams_and_drivers_id AUTO_INCREMENT PRIMARY KEY, Entrant VARCHAR, Constructor VARCHAR, Chassis VARCHAR, Driver VARCHAR, Rounds VARCHAR) CREATE TABLE goalkeeping_leaders (goalkeeping_leaders_id AUTO_INCREMENT PRIMARY KEY, Player VARCHAR, Club VARCHAR, Games Played INT, Minutes INT, Goals Against INT, GA Average INT, Wins INT, Loses INT) CREATE TABLE academic_performance (academic_performance_id AUTO_INCREMENT PRIMARY KEY, Year INT, Number of Examinees INT, Number of Passed Students INT, Pass Percentage VARCHAR, Obtained GPA-5 INT)  
SELECT Chassis FROM teams_and_drivers WHERE Rounds = 7 AND Entrant = ecurie rosier